communication systems

Since time immemorial, communication has been a critical factor in human evolution. When the first human beings built a fire, they could only do it because they communicated the need for something warm or hot to cook their meat. From such niche, primitive forms of communication, humans have developed complex secure communication systems for easy manoeuvring. 

With 20.6 million smartphone users and 66% radio users, Aussies value communication just as much as any other nation. Radios hold a special place in Australia fad. They refer to a lot more than digital radio. These are often bought wholesale from companies like CB radio wholesalers. Radios in Australia often include handheld transceivers, better known as walkie-talkies. They also have several other devices that are used to make any verbal communication.  

Types of Radio

When Aussies say radios, they mean way more than digital radios. Here are a few famous models of radios that companies like CB radio wholesalers manufacture:

  • Two-way Radios: Two-way radios, better-called walkie-talkies, are small handheld devices through which voice can be transmitted from one location to another through soundwaves. This transmission occurs due to the presence of an antenna on these devices. Singular walkie-talkies, as well as packages, are available. These have a battery life of up to 30 hours and are waterproof as well! 
  • Mobiles: These are very similar in make and function to walkie-talkies,  but they have an interactive screen, like in mobile phones. Along with the OLED screen, mobiles also have a Bluetooth connection, customisable buttons and scan sharing options. 
  • Cellular Boosters: These devices are self-explanatory. They help amplify cellular networks to up to 100 dB. This can be legally used on any cellular network to avoid call dropping and other disturbances. Customised kits based on changes in antennae, masts and cellular poles are also available. 

Industries that use Radios

It is often wrongly assumed that radios are just the boomboxes that were in vogue during the 90s. Neither are radios purely restricted to the in-built FM stations in a car. Radios of different types are used in the construction industries, why even in education industries! Here are a few significant applications of radios:

  • Education: Communication is vital in a hugely connected network like an educational institution. Starting from security, guards and inspectors need their walkie-talkies to communicate with one another constantly. Information needs to be communicated quickly in an emergency, say a break-in or danger to a student’s life. Most classrooms have a corner radio box that relays broadcasted messages from the office desk. Cellular coverage repeaters are also used to ensure proper network in all nooks and crannies of the building. 
  • Construction: In construction sites, there is inevitably noise created due to all the drilling and loading. Communication becomes a tedious task in such an environment. Workers need to keep one another updated on their work progress; engineers need to expound instructions so that construction goes smoothly constantly; critical information needs to be relayed to all the people on the site, etc. Walkie-talkies, remote speaker microphones and prominent speakers are used in such environments to amplify sound.
  • Government: Security and communication are the two most important mediums that the government strives to keep safeguarded and transparent. We have all seen the police use walkie-talkies for quick contact so that they can prevent crimes. Acoustic tubes and tiny one swivel earpieces are also available to conceal the devices. 

Radio devices are also used in other industries. Pubs, airports, shopping malls and traffic control offices are examples. 

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